Methods and points of wax repair in precision casting

Precision castingMethods and key points of wax repair
1 destination
1.1 Ensure the quality of wax tree in front of the first layer is effectively rescued
2. Category
Compose and carry out the first level of immediate inspection
3 job responsibilities
All the wax trees are inspected, and the customs will release the closed trees. When the trees cannot be closed, they will be dealt with by others, and the wax inspection will be notified if they are not in good condition.
4. Inspection method
Take the look to lead, press from the inside to the outside. Curve from left to right ascends and descends order, if you feel the direction is out, you can measure with a ruler
5. Test new items
5.1 Is the mold closing burr repaired?
5.2 Is the column die head deformed?
5.3 Are there bumps and wax patterns on the die?
5.4 Is there no gap at the junction of the product and the die?
5.5 Is the interval between product and product effective?
5.6 Are there drops of wax and knocks on the product?
5.7 Is the wax dust clean?
5.8 Is the position of the hook and the tree string effective?
5.9 Is the material mark on the die the same as the product step sheet?
6. Acceptance specification
6.1 The height-to-width ratio of die closing burr cannot exceed 0.5mm;
6.2 The shape variable of the column die can not exceed 3mm
6.3 The deep layer of the concave point and wax pattern on the die cannot exceed 0.5mm;
6.4 There can be no gap between the product and the die;
6.5 The distance between the product and the product shall not be less than 7mm at least
6.6 The distance between the product and the plan view of the die should not be less than 10mm to prevent post-cutting injuries.
6.7 If the product has dripping wax and knocks on the product, it is rejected